Balance Sheet Accounts and Supplemental Disclosures - Summary of Impact of Land Sale (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended								12 Months Ended			13 Months Ended
	Dec. 31, 2015	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Nov. 30, 2015	Aug. 31, 2015	May 31, 2015	Feb. 28, 2015	Dec. 31, 2016	Nov. 30, 2015	Nov. 30, 2014	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income from land sale	$ 0.0	$ 0.1	$ (0.1)	$ 0.0	$ (0.1)	$ 0.1	$ 0.6	$ 0.0	$ 0.2	$ (0.1)	$ 0.9	$ (0.7)
Hillsborough
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales from land sale											42.0		$ 42.0
Cost of sales from land sale											11.4		11.4
Income from continuing operations before income taxes from land sale											30.6		30.6
Income tax provision related to land sale											12.7		12.7
Net income from land sale											$ 17.9		$ 17.9